I tend to agree with Otto, that the brass fitting is what's called a "dole" fitting for the oil filter feed line. The small hole in it "doles out" or regulates the flow to the filter so the oil pressure doesn't drop too much to the rest of the engine. [on edit] You only need one such fitting in the oil filter line.
Although it's possible that 2ManyTrucks is correct as well. My carb has a similar fitting (for 3/16" vacuum line), but I didn't remove it to check if there's the small hole in it. Normally the port in the carb would be small enough to perform any regulating function, and air flows thru small openings much easier than oil does.
What's the diameter of the bolt? It looks like one of the "helmet" head screws used for the fuel pump or carb, but those are usually slotted. [on edit] The bag it's on says 7/16-20 which is an unusual size. I know the bolts for the front mount of a 216 are 7/16", but don't know of others.
That's why I try and bag and tag everything I've taken off. It takes the guesswork out of figuring out where stuff goes.
Last edited by klhansen; 02/12/2024 6:58 PM.
